Iodineoxidation by hydrogen peroxide and Bray–Liebhafsky oscillating reaction: effect of the temperature

Literature Information

Publication Date 2011-03-14
DOI 10.1039/C1CP00006C
Impact Factor 3.676
Authors

Guy Schmitz


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Abstract

This work presents a new experimental kinetic study at 39° and 50° of the iodine oxidation by hydrogen peroxide. The results allow us to obtain the temperature effect on the rate constants previously proposed at 25° for our model of the Bray–Liebhafsky oscillating reaction (G. Schmitz, Phys. Chem. Chem. Phys. 2010, 12, 6605.). The values calculated with the model are in good agreement with many experimental results obtained under very different experimental conditions. Numerical simulations of the oscillations observed formerly by different authors are presented, including the evolutions of the iodine, hydrogen peroxide, iodide ions and oxygen concentrations. Special attention is paid to the perturbing effects of oxygen and of the iodine loss to the gas phase.

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
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